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• How to merge 2 streams and send the stream to youtube ?

  22 janvier 2021, par Nikhil Jacob

  Trying to merge 2 rtmp url from one youtube account and sending the merged stream to another youtube account

  


  Details :

  


  


  1. We enabled 2 youtube account with Go Live feature

     


  


  2. Used the larix Broadcaster mobile application to send the stream to the first youtube account

     


  


  3. This worked fine and we were able to see the stream on youtube

     


  


  4. We brought up the other youtube account and captured it's rtmp url

     


  


  5. We used the following command to take the stream broadcasted on the first account to stream to the other youtube account

     


     ffmpeg -re -i rtmp ://a.rtmp.youtube.com/live2/StreamKey 1 -i rtmp ://a.rtmp.youtube.com/live2/Stream Key1 -strict -2 -f flv rtmp ://a.rtmp.youtube.com/live2/Stream Key 2

     


  


  


  However, we are getting a response server validation failed on

  


  ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
  configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
[rtmp @ 0x55e577487340] Server response validating failed
rtmp://a.rtmp.youtube.com/live2/{StreamKey 1}: Input/output error


  


  Please clarify why the merging of 2 rtmp url is failing. Should we setup our own rtmp server to capture the input stream and then send the output stream to youtube ?

  


• Packaging AV streams from youtube into mpeg2 ts container ?

  20 novembre 2015, par user3309374

  I am trying to pull video streams from Youtube and repackage it into MPEG2 TS container.Youtube streams audio(.m4a) and video(.mp4) as separate streams and packages into mp4 container format at the client end.Are there any ffmpeg libraries or any tools which packages the individual streams into MPEG2-TS container ?

• Python Youtube-dl convert to mp4

  27 mars 2021, par Church.exe

  (if it matters, I'm on windows)

  


  So I am trying to download a Youtube video in an Mp4 format (the program I am putting it into has limited compatibility) with audio but whatever I find online either doesn't work how people are saying it does (leading me to believe it is either outdated, missing context, or for a different OS) or is formatted in a way that doesn't make sense.

  


  My current code is :

  


  if PreferredOutput == 1:
    with youtube_dl.YoutubeDL({'format' : 'bestvideo+bestaudio[ext=m4a]/bestvideo+bestaudio/best', 'merge-output-format' : 'mp4'}) as ydl:
        ydl.download([url])


  


  but when I test it, it just seems to output the file as normal.(which I am guessing is the format the video file was uploaded to youtube as though I could be mistaken) What should I do/am I missing to make this only output (final) Mp4s ? (after the fact ffmpeg conversion or something similar is fine for my purposes)